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EUROPEAN COATINGS JOURNAL (ECJ) . N° 3Pigments and fillersMention de date : 03/2020 Paru le : 17/04/2020 |
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Titre : White and beautiful Type de document : texte imprimé Auteurs : Nina Musche, Auteur Année de publication : 2020 Article en page(s) : p. 20-21 Langues : Anglais (eng) Catégories : Dioxyde de titane
Pigments inorganiques
Produits commerciaux
Revêtements (produits chimiques):Peinture (produits chimiques)Index. décimale : 667.2 Colorants et pigments Résumé : Despite all latest events such as the classification as potentially carcinogenic by inhalation, titanium dioxide is stille the pigment of choice for white paints and coatings in our overview you will find some examples for different applications. En ligne : https://drive.google.com/file/d/1Ux7u67qg0DlPoHAt1RMPYpF3d_y0F2Oq/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33893
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Code-barres Cote Support Localisation Section Disponibilité 21624 - Périodique Bibliothèque principale Documentaires Disponible Colour travel : advanced interference effects / Steven A. jones in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2020)
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Titre : Colour travel : advanced interference effects : Modelling and optics help designers produce next-level pigments Type de document : texte imprimé Auteurs : Steven A. jones, Auteur Année de publication : 2020 Article en page(s) : p. 22-26 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Modèles numériques
Pigments à effets spéciaux
Pigments interférentielsIndex. décimale : 667.9 Revêtements et enduits Résumé : Modelling programs allow us to crate custom materials and can be configured to match a colour measuring instrument so that a pigment can be correlated back to the model. Note de contenu : - Single crystal effect pigments
- Metal oxide coated substrates
- Multi-layer effect
- Optical modelling
- Colour travel
- Applying colour travel to pigments
- Designing those special effect
- Fig. 1 : Reflection curves for thin film interference from a single thin film of RI 2.5
- Fig. 2 : Reflectance curves for various substrate thicknesses coated with 80 nm RI 2.5. The average of these curves is equivalent to the 80 nm single film curve from figure 1
- Fig. 3 : Colour distribution for various substrate thicknesses coated with 80 nm RI 2.5
- Fig. 4 : Hypothetical cumulative intensity of the reflection interference spectrum of the 1st layer and the 3rd layer compared with the actual reflectance interference spectrum for the three-layer stack depicted on the right
- Fig. 5 : Colour travel plots from 0 to 70 degrees comparing low and high refractive index
- Fig. 6 : Colour travel plots from 0 to70 degrees comparing single-layer with multi-layer
- Fig. 7 : Reflection curve for a multi-layer structure showing higher chroma compared to a single layer
- Fig. 8 : Colour travel plots from 0 to 70 degrees, comparing different thicknesses of the low refractive index layer
- Fig. 9 : Colour travel ploots from 0 to 70 degrees, comparing different thicknesses of both high refractive index layersEn ligne : https://drive.google.com/file/d/1pMVkDhfi6tgOePNcsC9x2xNsDMQ5t7Db/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33894
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Code-barres Cote Support Localisation Section Disponibilité 21624 - Périodique Bibliothèque principale Documentaires Disponible A long way in the wrong direction / Heike Liewald in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2020)
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Titre : A long way in the wrong direction Type de document : texte imprimé Auteurs : Heike Liewald, Auteur ; Giuliana Beck, Auteur Année de publication : 2020 Article en page(s) : p. 30-31 Langues : Anglais (eng) Catégories : Chimie industrielle -- Législation -- Pays de l'Union européenne
Dioxyde de titane
Produits chimiques -- ToxicologieIndex. décimale : 667.9 Revêtements et enduits Résumé : On 4th october 2019, the EU Commission decided to classify titanium dioxide (TiO2) powder as asuspected carcinogen under the CLP Regulation. This project had been controversial for a long while. strong criticism came from Member States, science, industry and NGOs. How did this decision come about and what consequences will it have ? Note de contenu : - Classification with additional notes
- Particle effects vs. intrinsic toxicity
- Far reaching consequencesEn ligne : https://drive.google.com/file/d/1_u9tvw5RFxCsGbialAsAIe_yYGSx2JU8/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33895
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Code-barres Cote Support Localisation Section Disponibilité 21624 - Périodique Bibliothèque principale Documentaires Disponible It takes effort to look this good / Pierre Leger in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2020)
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Titre : It takes effort to look this good : Towards best practice in a snail trail-free exterior architectural paint Type de document : texte imprimé Auteurs : Pierre Leger, Auteur ; Ashley Gong, Auteur ; Alan Piwowar, Auteur Année de publication : 2020 Article en page(s) : p. 32-37 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Applications extérieures
Lixiviation
Revêtements -- Défauts:Peinture -- Défauts
Revêtements en bâtiment:Peinture en bâtiment
SurfactantsIndex. décimale : 667.9 Revêtements et enduits Résumé : Snail trail, also referred to as surfactant leaching, is a complicated matter for architectural paint formulators. These coatings demand a high-quality visual appearance but weather conditions and water-soluble ingredients can cause unexpected failuers. This article discusses the three main causes of snail trail and suggests ways to optimise paint formulations and improve drying speed and film formation to limit this issue. Note de contenu : - What is snail trail ?
- Drying speed and paint composition influence surfactant leaching
- Three mechanisms determine change in appearance
- Crystal formation
- Pooling of materials
- Colour change
- Composition of exudate
- Importance of film formation
- Possible routes to limit snail trail
- Targeted strategies to reduce snailtrail
- Table 1 : Leachate i water analysis (HPLC-ELSD) and surfactant leaching ratings
- Fig. 1 : Factors influencing snail trail
- Fig. 2 : Optical image showing snail trails from a white paint onto a black substrate and scanning electron micrographs showing two different types of crystal formation
- Fig. 3 : Optical image of a paint surface after a drop of water evaporated, scanning electron micrograph of the optical impage highlighting a concentration of inorganic material (dark regions) near the edge of the droplet and 2D molecular representation of the droplet by ToF-SIMS showcasing an enrichment of exudate at the edge of the dropletEn ligne : https://drive.google.com/file/d/1jS-kOCfzuiVFp3v26Ych7pcqNVSvjYuz/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33896
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Code-barres Cote Support Localisation Section Disponibilité 21624 - Périodique Bibliothèque principale Documentaires Disponible Binding together - whatever the weather / Maurille Secher in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2020)
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Titre : Binding together - whatever the weather : New binder for weather and surface tolerant wood trim paints Type de document : texte imprimé Auteurs : Maurille Secher, Auteur ; Alan Fream, Auteur Année de publication : 2020 Article en page(s) : p. 38-44 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bois -- Finition
Bois -- Revêtements:Bois -- Peinture
Essais de résilience
Formulation (Génie chimique)
Liants
Résistance aux conditions climatiques
Revêtements en phase aqueuse:Peinture en phase aqueuseIndex. décimale : 667.9 Revêtements et enduits Résumé : Paints designed for application to wood trim (wood used to cover transitions between surface or for decoration) represent a significant share of the market for wood coatings. Over the past decade, as a result of environmental and other legislation, there has been a general shift from solvent-borne to water-borne in most architectural or decorative coatings applications. However, the very property that makes water-borne coating attractive from environmental, toxicological, and health points of view, i.e. that they contain water, is also the main cause of many of the problems which are associated with water-borne technology and which have hampered the replacement of traditional solvent-borne paints. Note de contenu : - Surface tolerance
- Weather tolerance (all-weather paints")
- Polymer design - technical approach
- EBS technology
- Candidate latexes and test formulations
- Experimental
- Grain-crack resistance
- Blocking resistance
- Shower test (early rain resistance)
- Natural weathering - outdoor exposure to EN 927-3
- Grain-crack resistance
- Shower test (early rain resistance)
- Accelerated and natural weathering
- Fig. 1 : Materials and equipment for shower test
- Fig. 2 : Surface fefects of water-borne and solvent-borne paints
- Fig. 3 : Results of 12 months' natural-weathering tests
- Table 1 : Physical properties of candidate latexes
- Table 2 : Experimental sheen and gloss formulations
- Table 3 : Results of grain-crack resistance tests
- Table 4 : Results of blocking-resistance tests
- Table 5 : Results of shower-resistance testsEn ligne : https://drive.google.com/file/d/15qP6rAWvpeW02SorH3qnGvNPw39pEzGq/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33897
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Code-barres Cote Support Localisation Section Disponibilité 21624 - Périodique Bibliothèque principale Documentaires Disponible Particle size - old question with new answers / Norbert Kern in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2020)
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Titre : Particle size - old question with new answers : So what comes next for grinding technology ? Is the industry ready for digitisation ? Type de document : texte imprimé Auteurs : Norbert Kern, Auteur Année de publication : 2020 Article en page(s) : p. 46-52 Langues : Anglais (eng) Catégories : Broyage par voie humide
Procédés de fabrication
Taille des particulesIndex. décimale : 667.9 Revêtements et enduits Résumé : Wet grinding as a process has been around for hundreds of years, with technology constantly refining what's opssible in terms of efficiency and quality. 2020 sees the introduction of a step-change in technology that arguably takes the industry to the limits of the physics of what's possible. But that's not the end of the story ; a new digital horizon could continue to drive progress for the next decade. Note de contenu : - The 5 fundamentals of wet grinding
- 1. Uniform particle distribution is the ultimate goal
- 2. Different material types require different amounts of energy
- 3. Different forces are required to reduce sizes in different materials
- 4. Target properties require different approaches
- 5. The smaller the beads, the more efficient the process
- The history of wet milling
- A step change in technology for 2020
- 1. New technology enables even smaller beads
- 2. Introduction higher flow rates
- Entry-level dashboards to improve decision-making
- Next level statistics and insights
- The ultimate goal - Smart algorithms to minitor and optimise the process
- Fig. 1 : Energy requirement for differents materials
- Fig. 2 : The forces at work in wet grinding
- Fig. 3 : Using wet grinding to create transparent dispersion
- Fig. 4 : the number of beads in a unit volume
- Fig. 5 : Number of beads in a given volume as a function bead size
- Fig. 6 : Bühler's new design for the 'MicroMedia Invicta'.
- Fig. 7 : Process improvements using the new technology
- Fig. 8 : A digital dashboard gives operators and managers better controlEn ligne : https://drive.google.com/file/d/1s_rJ0H2nAwZk3aW3BRCtQ10-rWZI3udB/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33898
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